Answer:
Without a doubt, the correct answer is ....
A. My friend and I talked about old times; I remembered some things that she did not.
Here you have two complete (independent) sentences connected (separated) correctly with a semi-colon.
Explanation:
B. ... uses incorrect punctuation
C. .... is missing critical punctuation
Answer:
B seems like a good answer, though I'm not sure
What is the underlined word? And if the underlined word is cottage then it is A.
A simple sentence is consisting of only one clause with a single subject
A compound sentence more than one subject or predicate
A complex sentence contains a subordinate clause or clauses.
Your welcome